<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            @clear="getGoodsList"
            placeholder="请输入内容"
            clearable
            v-model="queryInfo.query"
          >
            <el-button
              @click="searchGoods"
              slot="append"
              icon="el-icon-search"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGoods">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- 表格区域 -->
      <el-table :data="goodsList" stripe border>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
        <el-table-column
          prop="goods_price"
          label="商品价格(元)"
          width="95px"
        ></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px">
        </el-table-column>
        <el-table-column label="创建时间" width="140px">
          <template slot-scope="scope">{{
            scope.row.add_time | dateFormat
          }}</template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="deleteGoods(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 20, 50]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 商品列表
      goodsList: [],
      // 请求参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      total: 0
    }
  },
  methods: {
    // 获取商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })

      if (res.meta.status !== 200) return this.$message.error('列表获取失败')
      this.goodsList = res.data.goods
      this.total = res.data.total
      // console.log(this.total)
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    // 搜索商品按钮
    searchGoods() {
      this.getGoodsList()
    },
    // 删除商品按钮
    async deleteGoods(id) {
      const result = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)

      if (result === 'cancel') return this.$message.info('取消删除')
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) return this.$message.error('删除商品失败')
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    // 添加商品按钮
    addGoods() {
      this.$router.push('goods/add')
    }
  },

  created() {
    this.getGoodsList()
  }
}
</script>

<style>
</style>
